CN101835833A - Coloured pipes for transporting disinfectant-containing water - Google Patents
Coloured pipes for transporting disinfectant-containing water Download PDFInfo
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- CN101835833A CN101835833A CN200880112903A CN200880112903A CN101835833A CN 101835833 A CN101835833 A CN 101835833A CN 200880112903 A CN200880112903 A CN 200880112903A CN 200880112903 A CN200880112903 A CN 200880112903A CN 101835833 A CN101835833 A CN 101835833A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
- F16L9/127—Rigid pipes of plastics with or without reinforcement the walls consisting of a single layer
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/02—Ethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0041—Optical brightening agents, organic pigments
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2308/00—Chemical blending or stepwise polymerisation process with the same catalyst
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2314/00—Polymer mixtures characterised by way of preparation
- C08L2314/06—Metallocene or single site catalysts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
- Y10T428/1393—Multilayer [continuous layer]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/1397—Single layer [continuous layer]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
Abstract
This invention relates to the use of a coloured polyethylene pipe for transporting water containing disinfectant. The pipe is prepared from a polyethylene resin, that is produced with one or more single site catalyst systems, and that comprises blue pigments and anti-UV additive.
Description
The present invention relates to be suitable for carrying the preparation of the pigmented polyethylene pipeline resin of the cold water that contains sterilizing agent and/or hot water.
Usually use the polymer materials preparation to be suitable for for example pipeline of liquid or gas of conveyance fluid.Described fluid can be through the pressurization and its temperature can be 0～90 ℃.These pipelines are usually by middle density or high-density single mode or multi-modal polyethene preparation.
For example, the WO00/01765 multi-modal polyvinyl resin that discloses the MI5 of density with 0.930～0.965g/cc and 0.2～1.2dg/min is being carried purposes cold, in the water of pressurization.
The conveying of hot water need be different from the resin of conventional poly other type, because reduce about 50% and stress cracking takes place for it at elevated temperatures the work-ing life of typical polyethylene pipe when the fluidic temperature of being carried improves 10 ℃.
The some multi-modal polyvinyl resin that is used to carry hot-fluid is disclosed.For example, EP-A-1448702 discloses the polyvinyl resin that can be used for preparing hot water pipeline.This polyvinyl resin is multi-modal, has the high molecular weight block that low molecular weight fraction and density are at least 0.920g/cc.Its density is 0.921～0.950g/cc.Be 900MPa at the most at its anti-time to rupture (timeto failure) under 95 ℃ the temperature and under the pressure at 3.6MPa at least 165 hours and its Young's modulus.
EP-A-1425344 also discloses the multi-modal polyvinyl resin that can be used for hot water pipeline.It has the density of 0.925～0.950g/cc and the MI2 of 0.1～5dg/min.It comprises density with 0.910～0.935g/cc and at the most the MI2 of 1dg/min high molecular weight block and have the density of 0.945～0.965g/cc and the low molecular weight fraction of the MI2 of 2～200dg/min.
Domestic water is also carried sterilizing agent.By work-ing life of the pipeline of prior art polyvinyl resin preparation because the interpolation of sterilizing agent and significantly reducing.
Also used crosslinked polyvinyl resin to improve the performance of pipeline.It is crosslinked to use silane or superoxide to realize with chemical mode, perhaps realizes crosslinked by irradiation with physics mode.
WO2005/056657 discloses the high-density polyethylene resin of the combination that comprises at least two kinds of anti-oxidant additives is used to carry the water that contains chlorine in preparation ducted purposes.
Therefore, need such pigmented polyethylene pipeline, the particular combinations that it can be carried the hot water that contains such aggressiveness compound or cold water and not need to add antioxidant.
An object of the present invention is to prepare the pigmented polyethylene resin that is suitable for preparing the pipeline that is used to carry the hot water that contains sterilizing agent or cold water.
Another object of the present invention is the pigmented polyethylene pipeline resin that preparation has good mechanical property.
Another object of the present invention is the pigmented polyethylene pipeline resin that preparation can easily be processed.
Realize in these purposes any one by the present invention to small part.
Therefore, the invention discloses following pipeline and contain purposes in the water of sterilizing agent in conveying, described pipeline is prepared by polyvinyl resin, described polyvinyl resin is by one or more single-site catalyst systems arbitrarily or ziegler-natta catalyst systems or based on the catalyst system manufacturing of chromium, and is characterised in that this polyvinyl resin comprises blue pigments and at least a anti-UV additive.
Any catalyst system as known in the art is suitable for preparing polyethylene of the present invention, and described catalyst system is for example based on catalyzer, Ziegler-Natta catalyst or the single-site catalysts of chromium or their combination.
Pipeline of the present invention preferably by in single reaction vessel by bimodal two or more single-site catalyst systems manufacturings or that in two reactors that are connected in series, make or the preparation of multi-modal polyvinyl resin by a kind of single-site catalyst systems, wherein said single-site catalyst systems at least a for comprising formula R " (Ind)
2MQ
2Two indenyls or the metallocene catalyst system of two tetrahydro indenyl catalyst components, wherein Ind is for replacing or unsubstituted indenyl or tetrahydro indenyl, " for giving the structure bridge of described complex compound solid rigid, M is that the metal and the Q of periodictable the 4th family is halogen or the alkyl with 1～20 carbon atom to R.Described polyvinyl resin also comprises blue pigments and anti-UV additive.
In preferred implementation according to the present invention, described catalyst system comprises metallocenes, and more preferably it comprises two indenyls or two tetrahydro indenyl catalyst component by the described bridge joint of following general formula:
R″(Ind)
2MQ
2
Wherein Ind is for replacing or unsubstituted indenyl or tetrahydro indenyl R, and " for giving the structure bridge of described complex compound solid rigid, M is that the metal and the Q of periodictable the 4th family is halogen or the alkyl with 1～20 carbon atom.
If Ind is an indenyl, then it is preferably unsubstituted or replaced and replaced by little substituting group on 2 by big substituting group on 4.Big substituting group is the same with the tertiary butyl at least big.Little substituting group is preferably methyl.
If Ind is a tetrahydro indenyl, it is preferably unsubstituted.
M is preferably Ti or Zr, more preferably Zr.
Each Q preferably is selected from has aryl, alkyl, alkenyl, alkaryl or the aralkyl of 6 carbon atoms, perhaps halogen at the most.More preferably, whole two Q are all identical and be chlorine.
Structure bridge R " is selected from C
1～C
4Alkylidene group, dialkyl Germanium or dialkyl group silicon or dialkylsiloxane, perhaps alkylphosphines or amido, this bridge are to replace or unsubstituted.Preferably, it is ethylidene, isopropylidene, dimetylsilyl or phenylbenzene.
Most preferred catalyst component is ethylenebis tetrahydro indenyl zirconium dichloride and ethylenebis (4-phenyl-2-methyl-indenyl) zirconium dichloride.The metallocene catalyst component that is used for the present invention can be by any known method preparation.At J.Organomet.Chem.
288, 63-67 has described preferred manufacturing procedure in (1985).
Described catalyst system also comprises activator and the optional inert support with ionization.Described activator preferably is selected from aikyiaiurnirsoxan beta or boron-containing compound and described inert support and preferably is selected from inorganic oxide, more preferably silicon-dioxide.Perhaps, described activator is the fluorizated activating supports.
Can be used for polyvinyl resin among the present invention and be single mode or bimodal or multi-modal and by any method preparation as known in the art.Its density is preferably 0.915～0.965g/cc.
In more preferably embodiment according to the present invention, bimodal or the multi-modal resin of described polyvinyl resin in the loop reactor that two or more are connected in series, preparing.It comprises high molecular (HMW), low-density fraction and lower molecular weight (LMW), highdensity fraction.
Described high molecular, low-density fraction have at least 0.908g/cc, preferred 0.912g/cc at least and 0.928g/cc, the more preferably density of 0.926g/cc at the most at the most.Most preferably, it is about 0.922g/cc.It has at least 2dg/min, more preferably 5dg/min and most preferably 7dg/min and 12dg/min, the more preferably high load melt index HLMI of 10dg/min at the most at least at the most at least.Most preferably, it is 8～9dg/min.Melt index MI2 is 0.05～2dg/min, 0.1～0.5dg/min and most preferably be about 0.2dg/min more preferably.
Described lower molecular weight, highdensity fraction have at least 0.930g/cc, more preferably 0.940g/cc and 0.975g/cm at least at the most
3, the more preferably density of 0.962g/cc at the most.Most preferably, it is about 0.945～0.955g/cc.It has at least 0.5dg/min, more preferably 1dg/min and 10dg/min, the more preferably melt index MI2 of 6dg/min at the most at least at the most.Most preferably, it is 2～3dg/min.
Final resin comprises 50～60 weight %, preferred 50～55 weight %, more preferably the HMW fraction of 52～53 weight % and 40～50 weight %, preferred 45～50 weight % and the LMW fraction of 47～48 weight % most preferably.It has 2～5 wide or multi-modal molecular weight distribution, the density of 0.930～0.949g/cc and the melt index MI2 of 0.3～1dg/min.Most preferred polyvinyl resin according to the present invention has the density of about 0.935g/cc, the melt index MI2 of 0.6dg/min and about 3 polymolecularity.
Molecular weight distribution is by fully being described by weight-average molecular weight Mw and the defined polydispersity index D of ratio Mw/Mn of number-average molecular weight Mn, and Mw and Mn measure by gel permeation chromatography (GPC).
Density is measured under 23 ℃ temperature according to standard testing ASTM 1505 methods.Melt index and high load melt index are to measure under the load of 2.16kg and 21.6kg respectively under 190 ℃ the temperature by standard testing ASTM D 1238 methods.
Therefore, can be prepared by any suitable method according to polyvinyl resin of the present invention.They can carry out physical blending by the high density polyethylene(HDPE) fraction that will prepare separately and new LDPE (film grade) fraction and prepare, and perhaps they can be by preparing vinyl polymerization in the presence of catalyst mixture.Preferably, described high-density fraction and low density fraction are to make in having two loop reactors that are connected in series of same catalyst system.In this case, described LMW, highdensity fraction preferably prepare in first reactor, make that described HMW, low-density fraction are to prepare in the presence of this high-density fraction.Preferably, in whole two steps of cascade polymeric method, all use identical catalyst system to make the chemical blend thing of described high molecular weight block and low molecule fraction.Described catalyst system can be used for perhaps being used for heterogeneous slurry process in the homogeneous solution polymerization process, perhaps in the gas phase process.Preferably use slurry process.Most preferred polymerization process is to carry out in two slurry loop reactor that are connected in series.
In preferred the layout, the product of the first cascade reaction zone that contains olefinic monomer is contacted, in the second cascade reaction zone with catalyst system with second co-reactant in second reaction zone, to make second polyolefine and it is mixed with first polyolefine.Described first reaction zone and second reaction zone are suitably interconnected reactor, for example interconnected loop reactor.Also can in second reaction zone, introduce the fresh olefinic monomer and the product of described first reaction zone.
Because second polyolefine is made in the presence of polyolefinic first, so obtain multi-modal or bimodal at least molecular weight distribution.
In an embodiment of the invention, first co-reactant is that hydrogen is that comonomer is to make the HMW fraction to make the LMW fraction and second co-reactant.Typical comonomer comprises hexene, butylene, octene or methylpentene, is preferably hexene.
In alternate embodiments, described first co-reactant is a comonomer, is preferably hexene.Because metallocene catalyst component of the present invention presents good comonomer response and good hydrogen response, therefore in this embodiment, all basically comonomers consume in first reaction zone.In second reaction zone homopolymerization taking place, and seldom is subjected to or is not subjected to the interference of described comonomer.
The temperature of each reactor can be 60 ℃～110 ℃, is preferably 70 ℃～90 ℃.
Be used for that the pipeline resin is carried out painted pigment and be generally carbon black.It has makes the double dominant that pipeline is painted and resist uv-radiation simultaneously, therefore plays the effect of pigment and anti-UV additive.
Have been found that now, with be added with the sooty same resin and compare, be added with polyvinyl resin of the present invention with the blue pigments of at least a anti-UV agent combination much higher tolerance to the water that contains sterilizing agent is provided, wherein for these two kinds of resins, all other additives are all identical.
The amount of adding the blue pigments in the described resin to is 1～3000ppm, be preferably 500～2000ppm.The amount of anti-UV additive is 1～5000ppm, be preferably 1000～3500ppm.
Can described blue pigments and anti-UV agent be joined in the described resin by compounding or by dry blending.
Normally used sterilizing agent can be selected from chlorine, dioxide peroxide and chloramines in the domestic water.
The present invention also provides so blue polyvinyl resin to be used to carry cold water or hot water in manufacturing, particularly contains the ducted purposes of the cold water or the hot water of sterilizing agent.
Compare with known pipeline resin, when will have such specific composition, molecular weight and density keeping according to blue polyvinyl resin of the present invention described pipeline resin when the pipeline resin or improve mechanical behavior in can cause the remarkable improvement of processing characteristics.
Specifically, blue polyvinyl resin according to the present invention have at least equal, usually above the shock resistance and the anti-slow cracking behavior of existing pipeline resin.
Blue resins of the present invention has excellent rheological behaviour.
Blue resins according to the present invention is characterised in that the thinning character of high-shear.This means the good injection molding ability of described resin when being used to make injection molding pipeline and pipe fitting.
Usually, described pipeline is by extruding or by injection molding, preferably make by extruding in forcing machine.The pipeline of being made by multi-modal polyvinyl resin according to the present invention can be the individual layer pipeline or is the part of multi-layer piping that comprises other layer of other resin.
In according to another embodiment of the present invention, described pipeline is such multi-layer piping, it comprises at least one by the layer of the pipeline resin of any method preparation as known in the art and other layer of the polyvinyl resin that at least one is added with blue pigments and anti-UV additive, and wherein said other polyvinyl resin can be or can not be the pipeline resin.
Pipeline of the present invention provides excellent degradation resistant when being used to carry the hot water that contains sterilizing agent and cold water.Water temperature is that the sterilization dose in 0～90 ℃ and the water is that minimum detectable range is measured (being generally 0.1mg/L) to existing high limit of tolerance.Described high limit of tolerance is 1 milligram in every premium on currency for dioxide peroxide, is 4 milligrams in every premium on currency for chlorine and chloramines.Usually, the amount of sterilizing agent is 0.3～0.4mg/L in the domestic water.Have to be noted that blue pipeline according to the present invention can bear the sterilizing agent per-cent of the last limit for height of allowing than domestic water.
Embodiment
With two kinds different resin extruded be pipeline, the test of described pipeline being carried the water that contains dioxide peroxide.
Resin R1 according to the present invention is to use ethylenebis tetrahydro indenyl zirconium dichloride catalyst component to prepare in two slurry loop reactor.Density is that 0.935g/cc and melt flow index MI2 are 0.7dg/min.
It is added with the blue pigments of 1150ppm and the anti-UV additive of HALS-type of 2800ppm.
Resin R2 is the polyvinyl resin the same with R1, but it adds carbon black rather than adds blue pigments and anti-UV additive.
Resin R3 is the commercial resins that Total Petrochemicals sells with title XS10H.It uses the ziegler-natta catalyst systems preparation.It is added with the blue pigments of 1150ppm and the anti-UV additive of HALS-type of 2800ppm.
Resin R4 is the resin the same with R3, but it adds carbon black rather than adds blue pigments and anti-UV additive.
Resin R5 is the commercial resins that Total Petrochemicals sells with title XSC50H.It uses the ziegler-natta catalyst systems preparation.It is added with the blue pigments of 1150ppm and the anti-UV additive of HALS-type of 2800ppm.
All resins all contain the antioxidant material package of standard in addition.
According to the JANALAB program with in following condition these pipelines are tested:
-dioxide peroxide: 4ppm
-fluid temperature (F.T.): 70 ℃
-stress: 1.9MPa
The results are shown in the Table I.
| Resin | Average anti-time to rupture (hour) |
| ??R3 | ??1138 |
| ??R4 | ??884 |
| ??R5 | ??1069 |
As can be seen, the resin R3 that is added with blue pigments and anti-UV additive compares with being added with the sooty same resin with R5, and the degraded that is caused by the water that contains sterilizing agent is had much higher tolerance from Table I.
Claims (13)
1. following pipeline contains purposes in the water of sterilizing agent in conveying, described pipeline feature is it by using bimodal or the preparation of multi-modal polyvinyl resin two or more single-site catalyst systems manufacturings or that use a kind of single-site catalyst systems to make in two reactors that are connected in series in single reaction vessel, wherein said single-site catalyst systems at least a for comprising formula R " (Ind)
2MQ
2Two indenyls or the metallocene catalyst system of two tetrahydro indenyl catalyst components, wherein Ind is for replacing or unsubstituted indenyl or tetrahydro indenyl, R is " for giving the structure bridge of complex compound solid rigid; M is that the metal and the Q of periodictable the 4th family is halogen or the alkyl with 1～20 carbon atom, and described polyvinyl resin also comprises blue pigments and anti-UV additive.
2. the purposes of claim 1, wherein said polyvinyl resin has the density of 0.915～0.965g/cc.
3. claim 1 or 2 purposes, wherein said bimodal or multi-modal polyvinyl resin prepare by physical blending.
4. claim 1 or 2 purposes, wherein said bimodal or multi-modal polyvinyl resin prepare by chemical blend in solution polymerization process or slurry phase polymerisation process or gas phase process.
5. the purposes of claim 4, wherein said bimodal or multi-modal resin are to prepare in the slurry loop reactor that two or more are connected in series.
6. each purposes in the aforementioned claim, wherein said bimodal or multi-modal resin have the density of 0.930～0.949g/cc and the melt index MI2 of 0.3～1dg/min, and comprise high molecular, the low-density fraction of the high load melt index HLMI of density with 0.908～0.928g/cc and 2～12dg/min, and lower molecular weight, highdensity fraction with melt index MI2 of the density of 0.930～0.975g/cc and 0.5～10dg/min.
7. each purposes in the aforementioned claim, wherein said bimodal or multi-modal resin comprise the HMW fraction of 50～60 weight % and the LMW fraction of 40～50 weight %.
8. each purposes in the aforementioned claim, the addition of wherein said resin Smalt pigment are that the addition of 1～3000ppm and anti-UV additive is 1～5000ppm.
9. each purposes in the aforementioned claim, wherein said pipeline is the individual layer pipeline.
10. each purposes in the claim 1～8, wherein said pipeline is such multi-layer piping, the one deck at least in the wherein said multilayer is to use resins of the present invention.
11. each purposes in the aforementioned claim, wherein the amount of the sterilizing agent in the water is the extremely existing high limit of tolerance of minimum detectable range measurement of selected sterilizing agent.
12. each purposes in the aforementioned claim, wherein said sterilizing agent is selected from chlorine, dioxide peroxide or chloramines.
13. each purposes in the aforementioned claim, wherein water temperature is 0～90 ℃.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP07119277A EP2053084A1 (en) | 2007-10-25 | 2007-10-25 | Coloured pipes for transporting disinfectant-containing water. |
| EP07119277.7 | 2007-10-25 | ||
| EP07121864.8 | 2007-11-29 | ||
| EP07121864 | 2007-11-29 | ||
| PCT/EP2008/063213 WO2009053228A1 (en) | 2007-10-25 | 2008-10-02 | Coloured pipes for transporting disinfectant-containing water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101835833A true CN101835833A (en) | 2010-09-15 |
| CN101835833B CN101835833B (en) | 2013-06-12 |
Family
ID=40163901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008801129031A Expired - Fee Related CN101835833B (en) | 2007-10-25 | 2008-10-02 | Coloured pipes for transporting disinfectant-containing water |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US8361579B2 (en) |
| EP (1) | EP2203508B1 (en) |
| CN (1) | CN101835833B (en) |
| AT (1) | ATE502076T1 (en) |
| DE (1) | DE602008005632D1 (en) |
| DK (1) | DK2203508T3 (en) |
| PL (1) | PL2203508T3 (en) |
| WO (1) | WO2009053228A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104870541A (en) * | 2012-12-21 | 2015-08-26 | 北欧化工股份公司 | Use of additives for improving pipe stability against desinfectant containing water |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009037101A1 (en) * | 2007-09-21 | 2009-03-26 | Total Petrochemicals Research Feluy | Pipes for transporting water containing chlorine dioxide |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4812500A (en) * | 1987-09-30 | 1989-03-14 | Shell Oil Company | Polyolefin compositions for water pipes and for wire and cable coatings |
| JP3158874B2 (en) * | 1993-07-16 | 2001-04-23 | 東洋インキ製造株式会社 | Colored resin composition and method for preventing fading |
| EP0989141A1 (en) * | 1998-09-25 | 2000-03-29 | Fina Research S.A. | Production of multimodal polyethelene |
| DE60043574D1 (en) * | 2000-04-13 | 2010-02-04 | Borealis Tech Oy | Polymer composition for pipes |
| JP2004315715A (en) * | 2003-04-18 | 2004-11-11 | Toyo Ink Mfg Co Ltd | Colored resin composition resistant to chlorine-containing water and pipe for city water supply |
-
2008
- 2008-10-02 EP EP20080804998 patent/EP2203508B1/en not_active Not-in-force
- 2008-10-02 AT AT08804998T patent/ATE502076T1/en not_active IP Right Cessation
- 2008-10-02 DK DK08804998T patent/DK2203508T3/en active
- 2008-10-02 CN CN2008801129031A patent/CN101835833B/en not_active Expired - Fee Related
- 2008-10-02 PL PL08804998T patent/PL2203508T3/en unknown
- 2008-10-02 US US12/739,307 patent/US8361579B2/en not_active Expired - Fee Related
- 2008-10-02 DE DE200860005632 patent/DE602008005632D1/en active Active
- 2008-10-02 WO PCT/EP2008/063213 patent/WO2009053228A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104870541A (en) * | 2012-12-21 | 2015-08-26 | 北欧化工股份公司 | Use of additives for improving pipe stability against desinfectant containing water |
| CN111763350A (en) * | 2012-12-21 | 2020-10-13 | 北欧化工股份公司 | Use of additives for improving the stability of pipes against disinfectant-containing water |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2203508A1 (en) | 2010-07-07 |
| EP2203508B1 (en) | 2011-03-16 |
| ATE502076T1 (en) | 2011-04-15 |
| WO2009053228A1 (en) | 2009-04-30 |
| DK2203508T3 (en) | 2011-05-23 |
| CN101835833B (en) | 2013-06-12 |
| US8361579B2 (en) | 2013-01-29 |
| DE602008005632D1 (en) | 2011-04-28 |
| PL2203508T3 (en) | 2011-08-31 |
| US20110033648A1 (en) | 2011-02-10 |
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